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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Parts for the Corniche 60 rear axle, noting an unresolved issue with the bevel pinion pitch angle.

Identifier  ExFiles\Box 114\1\  scan0323
Date  13th November 1940
  
1015

To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/HH.
c. [REDACTED]

Rm{William Robotham - Chief Engineer}/HH.7/SW.13.11.40.

Corniche 60.

Rear Axle - Sec. 6120.

The following parts have been detailed in accordance with PD.312 and specification No. PL.266 and an LOP. made for this section.

GB.5354 Bevel Pinion 13/43 ratio.
GB.5355 Bevel wheel 13/43 ratio.

On GB.5354, the pitch angle has not been quoted as there is some doubt as to the correct figure.

(A letter ref., Rm{William Robotham - Chief Engineer}/HH.4/SW.7.11.40, has been sent to Gleasons).

RG.{Mr Rowledge}1747 Rear Axle LOP . (13/43 ratio).

The information re pitch angle will be added to GB.5354 and this will then complete this section.

Rm{William Robotham - Chief Engineer}/HH. [SIGNATURE]
  
  


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